arch/cris/include/arch-v10/arch/io.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #ifndef _ASM_ARCH_CRIS_IO_H
   3 #define _ASM_ARCH_CRIS_IO_H
   4
   5 /* Etrax shadow registers - which live in arch/cris/kernel/shadows.c */
   6
   7 extern unsigned long gen_config_ii_shadow;
   8 extern unsigned long port_g_data_shadow;
   9 extern unsigned char port_pa_dir_shadow;
  10 extern unsigned char port_pa_data_shadow;
  11 extern unsigned char port_pb_i2c_shadow;
  12 extern unsigned char port_pb_config_shadow;
  13 extern unsigned char port_pb_dir_shadow;
  14 extern unsigned char port_pb_data_shadow;
  15 extern unsigned long r_timer_ctrl_shadow;
  16
  17 extern unsigned long port_cse1_shadow;
  18 extern unsigned long port_csp0_shadow;
  19 extern unsigned long port_csp4_shadow;
  20
  21 extern volatile unsigned long *port_cse1_addr;
  22 extern volatile unsigned long *port_csp0_addr;
  23 extern volatile unsigned long *port_csp4_addr;
  24
  25 /* macro for setting regs through a shadow -
  26  * r = register name (like R_PORT_PA_DATA)
  27  * s = shadow name (like port_pa_data_shadow)
  28  * b = bit number
  29  * v = value (0 or 1)
  30  */
  31
  32 #define REG_SHADOW_SET(r,s,b,v) *r = s = (s & ~(1 << (b))) | ((v) << (b))
  33
  34 /* The LED's on various Etrax-based products are set differently. */
  35
  36 #if defined(CONFIG_ETRAX_NO_LEDS)
  37 #undef CONFIG_ETRAX_PA_LEDS
  38 #undef CONFIG_ETRAX_PB_LEDS
  39 #undef CONFIG_ETRAX_CSP0_LEDS
  40 #define CRIS_LED_NETWORK_SET_G(x)
  41 #define CRIS_LED_NETWORK_SET_R(x)
  42 #define CRIS_LED_ACTIVE_SET_G(x)
  43 #define CRIS_LED_ACTIVE_SET_R(x)
  44 #define CRIS_LED_DISK_WRITE(x)
  45 #define CRIS_LED_DISK_READ(x)
  46 #endif
  47
  48 #if !defined(CONFIG_ETRAX_CSP0_LEDS)
  49 #define CRIS_LED_BIT_SET(x)
  50 #define CRIS_LED_BIT_CLR(x)
  51 #endif
  52
  53 #define CRIS_LED_OFF    0x00
  54 #define CRIS_LED_GREEN  0x01
  55 #define CRIS_LED_RED    0x02
  56 #define CRIS_LED_ORANGE (CRIS_LED_GREEN | CRIS_LED_RED)
  57
  58 #if defined(CONFIG_ETRAX_NO_LEDS)
  59 #define CRIS_LED_NETWORK_SET(x)
  60 #else
  61 #if CONFIG_ETRAX_LED1G == CONFIG_ETRAX_LED1R
  62 #define CRIS_LED_NETWORK_SET(x)                          \
  63         do {                                        \
  64                 CRIS_LED_NETWORK_SET_G((x) & CRIS_LED_GREEN); \
  65         } while (0)
  66 #else
  67 #define CRIS_LED_NETWORK_SET(x)                          \
  68         do {                                        \
  69                 CRIS_LED_NETWORK_SET_G((x) & CRIS_LED_GREEN); \
  70                 CRIS_LED_NETWORK_SET_R((x) & CRIS_LED_RED);   \
  71         } while (0)
  72 #endif
  73 #if CONFIG_ETRAX_LED2G == CONFIG_ETRAX_LED2R
  74 #define CRIS_LED_ACTIVE_SET(x)                           \
  75         do {                                        \
  76                 CRIS_LED_ACTIVE_SET_G((x) & CRIS_LED_GREEN);  \
  77         } while (0)
  78 #else
  79 #define CRIS_LED_ACTIVE_SET(x)                           \
  80         do {                                        \
  81                 CRIS_LED_ACTIVE_SET_G((x) & CRIS_LED_GREEN);  \
  82                 CRIS_LED_ACTIVE_SET_R((x) & CRIS_LED_RED);    \
  83         } while (0)
  84 #endif
  85 #endif
  86
  87 #ifdef CONFIG_ETRAX_PA_LEDS
  88 #define CRIS_LED_NETWORK_SET_G(x) \
  89          REG_SHADOW_SET(R_PORT_PA_DATA, port_pa_data_shadow, CONFIG_ETRAX_LED1G, !(x))
  90 #define CRIS_LED_NETWORK_SET_R(x) \
  91          REG_SHADOW_SET(R_PORT_PA_DATA, port_pa_data_shadow, CONFIG_ETRAX_LED1R, !(x))
  92 #define CRIS_LED_ACTIVE_SET_G(x) \
  93          REG_SHADOW_SET(R_PORT_PA_DATA, port_pa_data_shadow, CONFIG_ETRAX_LED2G, !(x))
  94 #define CRIS_LED_ACTIVE_SET_R(x) \
  95          REG_SHADOW_SET(R_PORT_PA_DATA, port_pa_data_shadow, CONFIG_ETRAX_LED2R, !(x))
  96 #define CRIS_LED_DISK_WRITE(x) \
  97          do{\
  98                 REG_SHADOW_SET(R_PORT_PA_DATA, port_pa_data_shadow, CONFIG_ETRAX_LED3G, !(x));\
  99                 REG_SHADOW_SET(R_PORT_PA_DATA, port_pa_data_shadow, CONFIG_ETRAX_LED3R, !(x));\
 100         }while(0)
 101 #define CRIS_LED_DISK_READ(x) \
 102         REG_SHADOW_SET(R_PORT_PA_DATA, port_pa_data_shadow, \
 103                 CONFIG_ETRAX_LED3G, !(x))
 104 #endif
 105
 106 #ifdef CONFIG_ETRAX_PB_LEDS
 107 #define CRIS_LED_NETWORK_SET_G(x) \
 108          REG_SHADOW_SET(R_PORT_PB_DATA, port_pb_data_shadow, CONFIG_ETRAX_LED1G, !(x))
 109 #define CRIS_LED_NETWORK_SET_R(x) \
 110          REG_SHADOW_SET(R_PORT_PB_DATA, port_pb_data_shadow, CONFIG_ETRAX_LED1R, !(x))
 111 #define CRIS_LED_ACTIVE_SET_G(x) \
 112          REG_SHADOW_SET(R_PORT_PB_DATA, port_pb_data_shadow, CONFIG_ETRAX_LED2G, !(x))
 113 #define CRIS_LED_ACTIVE_SET_R(x) \
 114          REG_SHADOW_SET(R_PORT_PB_DATA, port_pb_data_shadow, CONFIG_ETRAX_LED2R, !(x))
 115 #define CRIS_LED_DISK_WRITE(x) \
 116         do{\
 117                 REG_SHADOW_SET(R_PORT_PB_DATA, port_pb_data_shadow, CONFIG_ETRAX_LED3G, !(x));\
 118                 REG_SHADOW_SET(R_PORT_PB_DATA, port_pb_data_shadow, CONFIG_ETRAX_LED3R, !(x));\
 119         }while(0)
 120 #define CRIS_LED_DISK_READ(x) \
 121         REG_SHADOW_SET(R_PORT_PB_DATA, port_pb_data_shadow, \
 122                 CONFIG_ETRAX_LED3G, !(x))
 123 #endif
 124
 125 #ifdef CONFIG_ETRAX_CSP0_LEDS
 126 #define CONFIGURABLE_LEDS\
 127         ((1 << CONFIG_ETRAX_LED1G ) | (1 << CONFIG_ETRAX_LED1R ) |\
 128          (1 << CONFIG_ETRAX_LED2G ) | (1 << CONFIG_ETRAX_LED2R ) |\
 129          (1 << CONFIG_ETRAX_LED3G ) | (1 << CONFIG_ETRAX_LED3R ) |\
 130          (1 << CONFIG_ETRAX_LED4G ) | (1 << CONFIG_ETRAX_LED4R ) |\
 131          (1 << CONFIG_ETRAX_LED5G ) | (1 << CONFIG_ETRAX_LED5R ) |\
 132          (1 << CONFIG_ETRAX_LED6G ) | (1 << CONFIG_ETRAX_LED6R ) |\
 133          (1 << CONFIG_ETRAX_LED7G ) | (1 << CONFIG_ETRAX_LED7R ) |\
 134          (1 << CONFIG_ETRAX_LED8Y ) | (1 << CONFIG_ETRAX_LED9Y ) |\
 135          (1 << CONFIG_ETRAX_LED10Y ) |(1 << CONFIG_ETRAX_LED11Y )|\
 136          (1 << CONFIG_ETRAX_LED12R ))
 137
 138 #define CRIS_LED_NETWORK_SET_G(x) \
 139          REG_SHADOW_SET(port_csp0_addr, port_csp0_shadow, CONFIG_ETRAX_LED1G, !(x))
 140 #define CRIS_LED_NETWORK_SET_R(x) \
 141          REG_SHADOW_SET(port_csp0_addr, port_csp0_shadow, CONFIG_ETRAX_LED1R, !(x))
 142 #define CRIS_LED_ACTIVE_SET_G(x) \
 143          REG_SHADOW_SET(port_csp0_addr, port_csp0_shadow, CONFIG_ETRAX_LED2G, !(x))
 144 #define CRIS_LED_ACTIVE_SET_R(x) \
 145          REG_SHADOW_SET(port_csp0_addr, port_csp0_shadow, CONFIG_ETRAX_LED2R, !(x))
 146 #define CRIS_LED_DISK_WRITE(x) \
 147         do{\
 148                 REG_SHADOW_SET(port_csp0_addr, port_csp0_shadow, CONFIG_ETRAX_LED3G, !(x));\
 149                 REG_SHADOW_SET(port_csp0_addr, port_csp0_shadow, CONFIG_ETRAX_LED3R, !(x));\
 150         }while(0)
 151 #define CRIS_LED_DISK_READ(x) \
 152          REG_SHADOW_SET(port_csp0_addr, port_csp0_shadow, CONFIG_ETRAX_LED3G, !(x))
 153 #define CRIS_LED_BIT_SET(x)\
 154         do{\
 155                 if((( 1 << x) & CONFIGURABLE_LEDS)  != 0)\
 156                        REG_SHADOW_SET(port_csp0_addr, port_csp0_shadow, x, 1);\
 157         }while(0)
 158 #define CRIS_LED_BIT_CLR(x)\
 159         do{\
 160                 if((( 1 << x) & CONFIGURABLE_LEDS)  != 0)\
 161                        REG_SHADOW_SET(port_csp0_addr, port_csp0_shadow, x, 0);\
 162         }while(0)
 163 #endif
 164
 165 #
 166 #ifdef CONFIG_ETRAX_SOFT_SHUTDOWN
 167 #define SOFT_SHUTDOWN() \
 168           REG_SHADOW_SET(port_csp0_addr, port_csp0_shadow, CONFIG_ETRAX_SHUTDOWN_BIT, 1)
 169 #else
 170 #define SOFT_SHUTDOWN()
 171 #endif
 172
 173 #endif